Bose FS3 FreeSpace Bass Module

“Low-frequency loudspeaker featuring one 5.25-inch (133 mm) woofer that delivers deep, non-localized bass support down to 40 Hz without audible distortion. For flush, ceiling, pendant and wall-mount applications

Acoustimass speaker technology filters out audible distortion to deliver non-localized bass

Designed to work with the FreeSpace 3 flush and surface satellite speakers, or existing systems where additional bass reinforcement is desired

Module design allows parallel connection of multiple bass modules and can accommodate two or four FreeSpace 3 satellites per bass module

Plenum rated for use in air handling spaces (with optional plenum cover)

Selectable 70/100V or low impedance with transformer tap adjustment under speaker grille”